Finding the Fourth Proportional to 130,373.99, 179,916.18 and 70,757.99
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Solution
The fourth proportional to 130,373.99, 179,916.18 and 70,757.99 is: 97,646.06
Step by Step Solution
- Step 1: Write the proportion equation
130,373.99 : 179,916.18 = 70,757.99 : x - Step 2: Convert to fraction form
130,373.99/179,916.18 = 70,757.99/x - Step 3: Cross multiply
130,373.99x = 179,916.18 × 70,757.99 - Step 4: Simplify right side
130,373.99x = 12,730,506,011.91 - Step 5: Solve for x
x = 12,730,506,011.91/130,373.99 - Step 6: Final answer
x = 97,646.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.